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Mimeo E, no. 047 (1962)

Page 001

Mimeo E-47
June, 1962
Purdue University
Cooperative Extension Service
Department of Entomology
THE PERIODICAL CICADA
In Indiana most broods of the periodical cicada appear once every 17 years. However, two broods come out every 13 years. Periodical cicadas are usually referred to as "17-year or 13-year locusts." They are about 1 5/8 inches long and have black bodies and reddish legs, wing margins and eyes.
The table shows when and where these insects will next appear in Indiana.
LIFE HISTORY
Cicadas have an interesting life cycle. They appear in the last part of May and
Table 1. When and where the 17-year and 13-year cicadas will appear in Indiana
Brood number Race Year to appear Where they will appear
II 17-year 1962 Dearborn county. Probably a very light emergence.
XXIII 13-year 1963 21 counties. Mostly in southwestern Indiana with Fountain, Tippecanoe and Fayette the northern limits.
VI 17-year 1966 24 counties, particularly in Boone, Brown, Carroll, Grant, Johnson, LaPorte and Wells. Not very numerous in any one locality.
X 17-year 1970 Found in all counties. Heaviest in south-central Indiana. Largest of the 17-year broods.
XII 17-year 1972 Allen and Orange counties. Scarce in Indiana.
XIX 13-year 1972 8 counties. Western area from Posey and Warrick south to Newton and Jasper north.
XIII 17-year 1973 Lake, LaPorte and Porter counties.
XIV 17-year 1974 40 counties. Heaviest in southwestern counties. Dense swarms expected in Brown and Warrick.
I 17-year 1978 Last reported in 1858 in Knox, Sullivan and Posey counties. May not exist.

Mimeo E-47
June, 1962
Purdue University
Cooperative Extension Service
Department of Entomology
THE PERIODICAL CICADA
In Indiana most broods of the periodical cicada appear once every 17 years. However, two broods come out every 13 years. Periodical cicadas are usually referred to as "17-year or 13-year locusts." They are about 1 5/8 inches long and have black bodies and reddish legs, wing margins and eyes.
The table shows when and where these insects will next appear in Indiana.
LIFE HISTORY
Cicadas have an interesting life cycle. They appear in the last part of May and
Table 1. When and where the 17-year and 13-year cicadas will appear in Indiana
Brood number Race Year to appear Where they will appear
II 17-year 1962 Dearborn county. Probably a very light emergence.
XXIII 13-year 1963 21 counties. Mostly in southwestern Indiana with Fountain, Tippecanoe and Fayette the northern limits.
VI 17-year 1966 24 counties, particularly in Boone, Brown, Carroll, Grant, Johnson, LaPorte and Wells. Not very numerous in any one locality.
X 17-year 1970 Found in all counties. Heaviest in south-central Indiana. Largest of the 17-year broods.
XII 17-year 1972 Allen and Orange counties. Scarce in Indiana.
XIX 13-year 1972 8 counties. Western area from Posey and Warrick south to Newton and Jasper north.
XIII 17-year 1973 Lake, LaPorte and Porter counties.
XIV 17-year 1974 40 counties. Heaviest in southwestern counties. Dense swarms expected in Brown and Warrick.
I 17-year 1978 Last reported in 1858 in Knox, Sullivan and Posey counties. May not exist.